Method tryAcquire

async/unstable_semaphore.ts:114–120

* Tries to acquire a permit without waiting. * * @example Usage * ```ts no-assert * import { Semaphore } from "@std/async/unstable-semaphore"; * * const sem = new Semaphore(1); * const permit = sem.tryAcquire(); * if (permit) { * using _ = permit; * // critical sect

()

   * @returns A {@linkcode Disposable} if a permit was acquired, `undefined` otherwise.
   */
  tryAcquire(): Disposable | undefined {
    if (this.#count > 0) {
      this.#count--;
      return { [Symbol.dispose]: () => this.release() };
    }
    return undefined;
  }

  /**
   * Releases a permit, allowing the next waiter to proceed.